/*
 * The MIT License
 *
 * Copyright (c) 2017, CloudBees, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jenkinsci.plugins;

import edu.umd.cs.findbugs.annotations.CheckForNull;
import edu.umd.cs.findbugs.annotations.NonNull;
import hudson.model.User;
import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;

public class GithubSecretStorage {

    private GithubSecretStorage(){
        // no accessible constructor
    }

    public static boolean contains(@NonNull User user) {
        return user.getProperty(GithubAccessTokenProperty.class) != null;
    }

    public static @CheckForNull String retrieve(@NonNull User user) {
        GithubAccessTokenProperty property = user.getProperty(GithubAccessTokenProperty.class);
        if (property == null) {
            LOGGER.log(Level.FINE, "Cache miss for username: " + user.getId());
            return null;
        } else {
            LOGGER.log(Level.FINE, "Token retrieved using cache for username: " + user.getId());
            return property.getAccessToken().getPlainText();
        }
    }

    public static void put(@NonNull User user, @NonNull String accessToken) {
        LOGGER.log(Level.FINE, "Populating the cache for username: " + user.getId());
        try {
            user.addProperty(new GithubAccessTokenProperty(accessToken));
        } catch (IOException e) {
            LOGGER.log(Level.WARNING, "Received an exception when trying to add the GitHub access token to the user: " + user.getId(), e);
        }
    }

    /**
     * Logger for debugging purposes.
     */
    private static final Logger LOGGER = Logger.getLogger(GithubSecretStorage.class.getName());
}
